Fimo Marmite Jar Pendant Necklace £6.35 Quirky fun Marmite Jar Food Pendant Necklace. Made from polymer clay. Varnished. Marmite size: 24mm. 18in silver plated necklace. Delivery This item is sent out within 1-2 working days except on weekends. Most items are dispatch within 2-3 working days by the delivery method of your choice.